Tokenized assets can improve today’s financial infrastructure. Their greater potential lies in enabling programmable markets, atomic transactions and entirely new financial products.
Much of today’s discussion about blockchain in traditional finance focuses on tokenization: representing stocks, bonds, funds, real estate and other assets as digital tokens on a shared ledger.
This is an important development. Before financial assets can interact through smart contracts, they must exist in a legally meaningful and technically usable onchain form. Tokenization can reduce reconciliation, accelerate settlement, simplify transfers and automate parts of compliance and administration.
But there is an important distinction between basic tokenization and its more advanced possibilities.
If we simply place existing assets on a blockchain and continue trading them through the same closed systems, we may create a more efficient version of today’s financial infrastructure. The more transformative opportunity begins when assets, money and contractual logic operate within the same programmable environment.
Basic tokenization can make the existing system cheaper. Programmability and composability can make it fundamentally different.
When an exchange becomes infrastructure
The terms “centralized exchange” and “decentralized exchange” make them sound like two versions of the same product, distinguished mainly by who controls them. Architecturally, however, they can occupy different layers of the financial system.
A centralized exchange is generally a vertically integrated financial service operated by a firm. It combines accounts, custody, market access, order execution, risk controls, customer support and settlement within an environment whose functionality is determined by the operator.
Users enter that environment and use the services it has chosen to provide:
- approved assets and trading pairs;
- supported order types;
- operating hours;
- custody arrangements;
- permitted integrations; and
- fee structures.
A decentralized exchange, or DEX, can operate at a more foundational level. Its smart contracts expose liquidity, pricing, exchange and settlement functions that wallets, aggregators, lending markets, funds and other applications can call directly.
A user may therefore benefit from a DEX’s liquidity without ever visiting its official website. A wallet might use it to swap assets. A lending protocol might use it to liquidate collateral. An investment application might use several DEXs to rebalance a portfolio. A treasury system might use one to convert incoming payments automatically.
The analogy is not perfect, but the distinction resembles that between a communications application and an underlying protocol such as TCP/IP. One offers a complete product with predetermined features. The other supplies common rules and interfaces on which multiple products can be built.
The end-user product has not disappeared. It has moved outward. Companies can compete over interfaces, routing, compliance, analytics, custody and customer service while using shared market protocols underneath.
A centralized exchange integrates market functions through the ownership and systems of a firm. DeFi can integrate them through shared rules, standardized interfaces and common settlement infrastructure.
This is an architectural distinction rather than an absolute one. DEXs vary considerably in governance, validator distribution, upgradeability and dependence on developers, front ends and oracles. Nevertheless, the protocol model creates the possibility of treating exchange functionality as reusable infrastructure rather than only as a destination.
Turning institutional processes into software
In traditional finance, introducing a new transaction structure may require coordination between exchanges, brokers, custodians, clearing houses, banks, transfer agents and internal databases.
In a compatible programmable environment, developers can potentially construct the same transaction by combining existing protocols and standardized interfaces.
The innovation is not that humans could never perform the underlying financial steps. It is that a bespoke sequence of institutional actions can become a standardized, conditional and repeatable piece of software.
Consider an investor who wants to move from shares in Company A to shares in Company B.
Today, this would normally involve two transactions:
- Sell A for cash.
- Use the cash to buy B.
With legally recognized tokenized securities and compatible settlement money operating within the same atomic environment, the investor could instead submit one instruction:
Exchange my shares in A for shares in B, provided I receive at least the specified amount of B.
The transaction might still route from A into tokenized cash and then from cash into B. But the complete sequence could be bundled into one conditional operation. From the investor’s perspective, it would be one A-for-B transaction.
If sufficient liquidity were unavailable or the minimum price could not be achieved, the participating onchain state changes would revert.
A flash loan could extend this mechanism where the steps must occur in a particular sequence. Temporary liquidity might purchase B before A is released from an existing collateral arrangement. The system could then sell A and repay the temporary borrowing within the same transaction. If the borrowed amount and applicable fee could not be repaid, the transaction would normally revert—although the initiator would still bear the blockchain execution cost.
Traditional institutions could theoretically coordinate the same arrangement. The difference is that it would usually require several systems, counterparties, agreements and settlement processes. A smart contract can express the complete sequence as one conditional program.
However, atomicity has boundaries. It works most cleanly when the participating assets and contracts share a compatible execution environment. It does not automatically reverse an external bank transfer, an offchain custody record or a transaction completed on an incompatible network.
Nor does technical atomicity guarantee legal finality. The legal rights associated with a tokenized security depend on how it is structured. The token might be issued directly by the company, represent a custodial entitlement or provide synthetic economic exposure. A programmable financial system therefore requires alignment between its technical and legal records.
Composability requires more than issuing a token
An asset does not become meaningfully composable merely because a token has been created.
It also needs common technical standards, compatible legal rights, dependable settlement assets, reliable pricing, usable identity and compliance mechanisms, and sufficient liquidity. An asset may exist onchain but remain isolated if other applications cannot safely recognize, value or transfer it.
Standards are especially important because they allow developers to integrate financial instruments without negotiating and building a bespoke connection for every issuer or platform. ERC-4626, for example, provides a common interface for tokenized vault shares, making it easier for wallets, aggregators and other applications to interact with them.
This is where open protocols can begin to change financial product development. Instead of constructing every service from the ground up, developers can assemble products from existing liquidity, lending, custody, identity and settlement components.
What comes after basic tokenization?
Many tokenization projects understandably begin with issuance, ownership records, transfers and settlement. Programmable assets could eventually support much more:
- Atomic portfolio rebalancing: Buy and sell an entire basket of assets only if all price and allocation conditions can be satisfied.
- Collateral substitution and refinancing: Replace collateral, repay an existing loan and establish a new position without temporarily leaving the borrower undercollateralized.
- Flash liquidity: Access temporary liquidity within one transaction, provided the borrowing and fee are repaid before completion.
- Programmable corporate actions: Automate distributions, redemptions, conversions and voting processes, subject to applicable legal, tax and regulatory requirements.
- Conditional settlement: Complete a transaction only when payment, investor eligibility, collateral and compliance conditions have all been verified.
- Automated funds and tokenized vaults: Accept an investment, deploy capital into an underlying strategy and issue standardized fund or vault shares through a coordinated process.
- Yield separation and continuous payments: Separate principal from future income, or distribute interest, dividends and other payments continuously rather than through periodic batches.
- Rules-based liquidation and embedded exchange: Allow financial applications to liquidate collateral or access liquidity according to transparent protocol rules—permissionlessly where regulation and protocol design allow.
The larger opportunity is not simply to reproduce every existing financial product onchain. It is to create reusable financial primitives from which new products and transaction structures can be assembled more quickly.
Efficiency does not automatically mean decentralization
Tokenization can also be adopted within centralized financial institutions.
An exchange might use blockchain infrastructure to reduce settlement costs, automate reconciliation and improve operational efficiency while retaining control over access, listings, custody, integrations and fees.
That is still useful. It may help establish the legal and technical foundations of a tokenized economy. But it is better understood as centralized tokenized finance than open DeFi.
Nor does decentralization guarantee that every efficiency saving reaches the user. DEX users may pay network gas, liquidity-provider fees, protocol fees, spreads and slippage. They may also be exposed to transaction-ordering risks such as front-running and sandwich trading.
Tokenized real-world assets may continue to rely on issuers, custodians, transfer agents, identity providers and regulated settlement institutions.
The better argument is not that DeFi eliminates fees or intermediaries. It is that open protocols can make financial infrastructure more transparent, interoperable and contestable.
Programmability also changes the risk model
Programmable finance does not remove risk. It changes where risk resides.
Atomicity can reduce settlement and counterparty risk, but it can also make execution immediate and difficult to interrupt. Smart-contract defects, faulty oracles or incorrect permissions may therefore propagate rapidly across connected applications.
Composability can also transmit stress. If several applications depend on the same liquidity pool, collateral asset or oracle, a failure in one component can affect the wider system.
The same property that makes DeFi powerful—applications automatically interacting with one another—can make failures more interconnected.
Audits, governance controls, secure oracle design, circuit breakers, legal clarity and carefully designed recovery mechanisms will remain essential. Programmability should not mean removing safeguards; it should mean making those safeguards more transparent, testable and consistently enforceable.
The token is not the final innovation
Recent work from the Bank for International Settlements and the International Monetary Fund increasingly recognizes that tokenization matters not only because assets become digital, but because shared programmable ledgers can combine assets, money and contingent execution.
Their preferred institutional models may differ from open DeFi. Nevertheless, the underlying technological insight is similar: greater value emerges when ownership records, settlement assets and contractual logic can interact within compatible infrastructure.
The first generation of tokenization asks:
How can an existing asset be represented and transferred onchain?
The next generation should ask:
What becomes possible when that asset can interact with money, markets and contractual logic in the same programmable environment?
A tokenized security may make today’s market more efficient. A programmable asset can also settle conditionally, serve as collateral, distribute income and interact with independently developed financial applications.
Tokenization changes the form of the asset. Programmability changes its capabilities. Composability changes who can build with it. And decentralization changes who controls the infrastructure.
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